<!--预览1-->
<a id="appViewShowBtn" mt-modal='#appViewShow'></a>
<div class="mt-modal" id="appViewShow">
    <div class="mt-modal-box">
        <a class="mt-modal-close">
           <i class="iconfont icon-close"></i> 
        </a>
        <div class="mt-modal-full">
            ....
        </div>
    </div>
</div>